// concurrent/MoreTasksAfterShutdown.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.RejectedExecutionException;

public class MoreTasksAfterShutdown {
    public static void main(String[] args) {
        ExecutorService exec =
                Executors.newSingleThreadExecutor();
        exec.execute(new NapTask(1));
        exec.shutdown();
        try {
            exec.execute(new NapTask(99));
        } catch (RejectedExecutionException e) {
            System.out.println(e);
        }
    }
}
/* Output:
java.util.concurrent.RejectedExecutionException: Task
NapTask[99] rejected from java.util.concurrent.ThreadPo
olExecutor@4e25154f[Shutting down, pool size = 1,
active threads = 1, queued tasks = 0, completed tasks =
0]
NapTask[1] pool-1-thread-1
*/
